431212241 has 4 divisors (see below), whose sum is σ = 437119332. Its totient is φ = 425305152.

The previous prime is 431212231. The next prime is 431212273. The reversal of 431212241 is 142212134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142212134 = 2 ⋅71106067.

It can be written as a sum of positive squares in 2 ways, for example, as 156150016 + 275062225 = 12496^2 + 16585^2 .

It is a cyclic number.

It is not a de Polignac number, because 431212241 - 2¹⁴ = 431195857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431212231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953436 + ... + 2953581.

It is an arithmetic number, because the mean of its divisors is an integer number (109279833).

Almost surely, 2^431212241 is an apocalyptic number.

It is an amenable number.

431212241 is a deficient number, since it is larger than the sum of its proper divisors (5907091).

431212241 is an equidigital number, since it uses as much as digits as its factorization.

431212241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907090.

The product of its digits is 384, while the sum is 20.

The square root of 431212241 is about 20765.6505075088. The cubic root of 431212241 is about 755.4928530634.

Adding to 431212241 its reverse (142212134), we get a palindrome (573424375).

The spelling of 431212241 in words is "four hundred thirty-one million, two hundred twelve thousand, two hundred forty-one".